Actinolite
41amphibole asbestos — Collective term for three highly fibrous (asbestiform) varieties of amphibole: crocidolite, amosite, and actinolite. All have long, silky to splintery fibres with appreciable tensile strength and are of economic importance as asbestos. * * *… …
42greenschist facies — One of the major divisions of the mineral facies classification of metamorphic rocks, encompassing the rocks that formed under fairly low temperatures (480–660 °F, or 250–350 °C) and pressure conditions and usually produced by regional… …
43Amphiboles — ▪ Table Amphiboles name colour lustre Mohs hardness specific gravity actinolite colourless to gray; darkens with increased Fe through green to black silky; oily 2.9–3.2 2.9–3.2 anthophyllite white, gray, green, or various shades of brown vitreous …
44Magnesiohastingsite — from Bratislava, Slovakia. Specimen size 4.5 cm General Category Amphibole …
45Ontario Highway 7 — Highway 7 Locati …
46amphibole group — noun a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum • Hypernyms: ↑mineral • Member Meronyms: ↑amphibole, ↑nephrite, ↑actinolite,… …
47Actinolitic — Ac tin*o*lit ic, a. (Min.) Of the nature of, or containing, actinolite. [1913 Webster] …
48Amphibole — Am phi*bole ([a^]m f[i^]*b[=o]l), n. [Gr. amfi bolos doubtful, equivocal, fr. amfiba llein to throw round, to doubt: cf. F. amphibole. Ha[ u]y so named the genus from the great variety of color and composition assumed by the mineral.] (Min.) A… …
49asbestus — Amphibole Am phi*bole ([a^]m f[i^]*b[=o]l), n. [Gr. amfi bolos doubtful, equivocal, fr. amfiba llein to throw round, to doubt: cf. F. amphibole. Ha[ u]y so named the genus from the great variety of color and composition assumed by the mineral.]… …
50edenite — Amphibole Am phi*bole ([a^]m f[i^]*b[=o]l), n. [Gr. amfi bolos doubtful, equivocal, fr. amfiba llein to throw round, to doubt: cf. F. amphibole. Ha[ u]y so named the genus from the great variety of color and composition assumed by the mineral.]… …
